On a Wednesday in April, after heavy rainfall, Paul Carlson of Ankeny drove to the end of a road under the Saylorville Dam ...

The dry conditions of summer 2020 has produced an abundance of high nitrate forages. These hays, crop residues (stover) and even weeds with high nitrates leave many producers utilizing Extension and ...

Understanding how much nitrate is present in irrigation water is important not only for farm management decisions, but also for protecting the quality of drinking water, according to research from ...

The eyes of dead fish and the message “know what you drink” adorn a new billboard near Avoca that urges Iowans to monitor nitrate levels in their water. The billboard is the first of several that the ...

Soil testing is hardly new, and state leaders keep pointing elsewhere to excuse humans' polluting choices, writes .

Nearly one-fifth of Americans relied on drinking water systems with elevated and potentially dangerous levels of nitrate in ...

Roughly 60 million Americans may be drinking tap water with nitrate levels that exceed health-protective benchmarks, ...

Greenpeace Aotearoa has announced that it will be running free drinking water testing for nitrate contamination in Edendale, ...

Across the Corn Belt, California’s Central Valley, and parts of the High Plains, tens of millions of people pour tap water ...

Donna Rasmussen, a former administrator for the Fillmore County Soil and Water Conservation District, uses an ultraviolet spectrophotometer to measure the concentration of nitrates in a water sample ...

Hay will most likely be in short supply this winter, as some folks are feeding it already. Calls are coming in concerning chopping corn and feeding it to cattle. A potential concern would be nitrate ...